Protective box shell welding equipment

Abstract

The utility model relates to the field of welding machines, in particular to protection box shell welding equipment which comprises a rack, a working platform is fixedly mounted on the rack, a plurality of welding driving parts are fixedly mounted on the rack, welding heads are fixedly mounted at the driving ends of the welding driving parts correspondingly, and the welding heads are arranged according to welding spot positions on a protection box. The multiple welding driving pieces drive the multiple welding heads to move in the direction close to or away from the box body. A fixed seat is fixedly installed on the working platform, a sliding seat is slidably installed on the working platform, a positioning structure is fixedly installed on the sliding seat, a clamping driving part is fixedly installed on the working platform, the driving end of the clamping driving part is fixedly connected with the sliding seat, and the clamping driving part drives the sliding seat to move in the direction close to or away from the fixed seat. The spot welding machining efficiency and precision of the protection box can be improved.

Description

Technical Field

[0001] This application relates to the field of welding machines, and more particularly to a welding device for the outer shell of a protection box. Background Art

[0002] Common devices and apparatuses are integrally installed in a metal protection box, and the metal protection box can provide good waterproof, dustproof, and anti-damage protection effects for the electronic components inside the devices and apparatuses.

[0003] In the prior art, when manufacturing a metal protection box, it is necessary to stamp a metal plate to form the box body of the metal protection box, then assemble the cover plates at both ends on both ends of the box body, and then fix the cover plates to both ends of the box body by spot welding through manually holding a spot welding device.

[0004] However, the method of manually welding the protection box has low efficiency, is difficult to meet large-batch and high-efficiency welding processing, and there is room for improvement. Utility Model Content

[0005] In order to improve the efficiency of spot welding processing for the protection box, this application provides a welding device for the outer shell of a protection box.

[0006] The welding device for the outer shell of a protection box provided by this application adopts the following technical solutions:

[0007] A welding device for the outer shell of a protection box includes a frame, a working platform is fixedly installed on the frame, a plurality of welding driving members are fixedly installed on the frame, welding heads are respectively fixedly installed at the driving ends of the plurality of welding driving members, the plurality of welding heads are arranged according to the positions of the welding points on the protection box, and the plurality of welding driving members drive the plurality of welding heads to move towards or away from the box body;

[0008] A fixing seat is fixedly installed on the working platform, a sliding seat is slidably installed on the working platform, a positioning structure for supporting the box body is fixedly installed on the sliding seat, a clamping driving member is fixedly installed on the working platform, the driving end of the clamping driving member is fixedly connected to the sliding seat, and the clamping driving member drives the sliding seat to move towards or away from the fixing seat.

[0009] By adopting the above technical solution, during the welding process of the protection box, the operator only needs to assemble the cover plates at both ends on the box body of the protection box and fix the box body on the sliding seat through the positioning structure; then the operator can control the clamping driving member to drive the sliding seat to slide towards the direction close to the fixed seat through the control button on the welding machine until the cover plate abuts between the sliding seat and the fixed seat. At this time, the welding point between the cover plate and the fixed seat is exactly below several welding heads on the frame, and the welding driving member can drive the welding heads to move downward to perform the welding process and then drive the welding heads to return to the initial position. Through the mutual cooperation and use of the sliding seat, the clamping driving member, the welding heads and the welding driving member, the technical effects of automatically clamping the protection box and automatically welding can be achieved, and multiple welding heads perform spot welding at the same time, which has higher welding efficiency and accuracy compared with manually welding multiple welding points one by one with the help of welding equipment.

[0010] Preferably, the welding driving member includes a first cylinder, the cylinder body of the first cylinder is fixedly installed on the frame, and the cylinder shaft of the first cylinder is fixedly connected to the welding head.

[0011] By adopting the above technical solution, when the first cylinder extends or retracts its cylinder shaft, it can drive the welding head fixedly installed at the end of the cylinder shaft of the first cylinder to move towards or away from the protection box, and can automatically control the technical effect of the welding head to return after contacting the welding point.

[0012] Preferably, the sliding seat includes a connecting portion, and an avoidance notch for the connecting portion to extend out is formed on the working platform;

[0013] The clamping driving member includes a second cylinder, the cylinder body of the second cylinder is fixedly installed at the bottom of the working platform, and the cylinder shaft of the second cylinder is fixedly connected to the connecting portion.

[0014] By adopting the above technical solution, when the second cylinder extends or retracts its cylinder shaft, it can drive the sliding seat to slide towards or away from the fixed seat, and can drive the protection box and the cover plate to automatically slide below the welding head. By connecting the connecting portion extending into the avoidance notch with the cylinder shaft of the second cylinder, the second cylinder can be prevented from being exposed on the working platform, improving the simplicity and structural compactness of the second working platform.

[0015] Preferably, two guide rails are fixedly installed on the working platform, and the two guide rails are located on both sides of the avoidance notch;

[0016] Two sliders are fixedly connected to the bottom of the sliding seat, and sliding grooves adapted to the guide rails are respectively formed on the two sliders.

[0017] By adopting the above technical solution, the slider and the guide rail are used in combination with each other, which can limit the sliding trajectory of the sliding seat, reduce the occurrence of dislocation between the solder joints on the protection box and the welding head caused by the sliding deviation of the sliding seat, and effectively improve the stability and accuracy of the welding machine.

[0018] Preferably, a limiting convex block is integrally formed on the inner side wall of the chute, and limiting grooves adapted to the limiting convex block are formed on both sides of the guide rail.

[0019] By adopting the above technical solution, the limiting convex block and the limiting groove are used in combination with each other, which can reduce the occurrence of the slider separating from the guide rail during the sliding process of the sliding seat, and further ensure the stability of the sliding seat.

[0020] Preferably, the positioning structure includes a connecting arm fixedly installed on the sliding seat, and a bearing plate for bearing the box body is fixedly installed on the connecting arm.

[0021] By adopting the above technical solution, the bearing plate can support the box body and reduce the occurrence of the box body tilting during the sliding process.

[0022] Preferably, two cushion blocks are fixedly installed on the working platform, and the two cushion blocks are located on both sides of the two guide rails, and both sides of the box body to be welded are slidably installed on the two cushion blocks respectively.

[0023] By adopting the above technical solution, the cushion blocks can further reduce the occurrence of the box body tilting and affecting the solder joint position.

[0024] Preferably, a plurality of thin film pressure sensors are fixedly installed on the side wall of the fixed seat close to the sliding seat, the signal output ends of the plurality of thin film pressure sensors are signal-connected to a signal processing module, the plurality of thin film pressure sensors detect the contact pressure between the upper cover of the box body and output induction pressure signals respectively, and the signal processing module receives the plurality of induction pressure signals and outputs an alarm control signal when the induction pressure is uneven;

[0025] A buzzer is fixedly installed on the frame, the signal output end of the signal processing module is signal-connected to the signal input end of the buzzer, and the buzzer receives the alarm control signal and emits a warning sound.

[0026] By adopting the above technical solution, when the second cylinder drives the protection box to slide until the cover plate abuts between the sliding seat and the fixed seat, the contact pressure between different positions of the cover plate and the fixed seat can be detected by a plurality of thin film pressure sensors. If there are foreign objects between the cover plate and the fixed seat or the position of the cover plate is offset, the signal processing module can determine that the positions of the cover plate, the box body and the solder joints on the box body are abnormal according to the value of the induction pressure, and the buzzer is used to prompt the on-site operator to repair and maintain the welding machine.

[0027] In summary, the welding equipment for the protective box housing of the present application includes at least one of the following beneficial technical effects:

[0028] 1. By the mutual cooperation and use of the sliding seat, the clamping driving member, the welding head, and the welding driving member, the technical effects of automatically clamping the protective box and automatically welding can be achieved. Moreover, multiple welding heads perform spot welding processing simultaneously, and compared with manually welding each solder joint one by one with the aid of welding equipment, the welding efficiency and precision are higher;

[0029] 2. By the mutual cooperation and use of the slider and the guide rail, the sliding trajectory of the sliding seat can be restricted, reducing the occurrence of the situation where the solder joints on the protective box are misaligned with the welding head due to the sliding deviation of the sliding seat, and effectively improving the stability and precision of the welding machine. Description of the Drawings

[0030] Figure 1 is a schematic diagram for showing the overall structure of the welding machine in the embodiment of the present application.

[0031] Figure 2 is Figure 1 an enlarged schematic diagram of part A in [reference figure], mainly used for showing the overall structures of the fixed seat and the sliding seat.

[0032] Figure 3 is a schematic diagram for showing the installation position of the second cylinder in the embodiment of the present application

[0033] Description of the reference numerals: 1, frame; 11, first cylinder; 2, working platform; 21, second cylinder; 22, avoidance notch; 23, guide rail; 24, cushion block; 3, welding head; 4, box body; 5, cover plate; 6, fixed seat; 7, sliding seat; 71, connecting part; 72, slider; 73, connecting arm; 74, bearing plate. Detailed Description of the Embodiment

[0034] The following further describes the present application in detail Figures 1 - 3 with reference to the attached drawings.

[0035] Embodiment 1

[0036] The embodiment of the present application discloses a welding equipment for the protective box housing. Referring to Figure 1 , Figure 2 and Figure 3 , it includes a frame 1, a working platform 2 is fixedly installed on the frame 1, a plurality of welding driving members are fixedly installed on the frame 1, the driving ends of the plurality of welding driving members are respectively fixedly installed with welding heads 3, the plurality of welding heads 3 are arranged according to the positions of the solder joints on the protective box, and the plurality of welding driving members drive the plurality of welding heads 3 to move towards or away from the box body 4.

[0037] A fixed seat 6 is fixedly installed on the working platform 2, a sliding seat 7 is slidably installed on the working platform 2, a positioning structure for supporting the box body 4 is fixedly installed on the sliding seat 7, a clamping driving member is fixedly installed on the working platform 2, and the driving end of the clamping driving member is fixedly connected to the sliding seat 7. The clamping driving member drives the sliding seat 7 to move towards or away from the fixed seat 6.

[0038] During the welding process of the protection box, the operator only needs to assemble the cover plates 5 at both ends on the box body 4 of the protection box, and fix the box body 4 on the sliding seat 7 through the positioning structure; then the operator can control the clamping driving member to drive the sliding seat 7 to slide towards the fixed seat 6 by operating the control button on the welding machine until the cover plate 5 abuts between the sliding seat 7 and the fixed seat 6. At this time, the welding point between the cover plate 5 and the fixed seat 6 is exactly below a plurality of welding heads 3 on the frame 1, and the welding driving member can drive the welding head 3 to move down to perform the welding process and then drive the welding head 3 back to the initial position.

[0039] Through the mutual cooperation and use of the sliding seat 7, the clamping driving member, the welding head 3 and the welding driving member, the technical effects of automatically clamping the protection box and automatic welding can be achieved, and multiple welding heads 3 perform spot welding at the same time, which has higher welding efficiency and accuracy compared with manually welding multiple welding points one by one with the help of welding equipment.

[0040] In the embodiment of the present application, the welding driving member is a first cylinder 11, the cylinder body of the first cylinder 11 is fixedly installed on the frame 1, and the cylinder shaft of the first cylinder 11 is fixedly connected to the welding head 3.

[0041] When the first cylinder 11 extends or retracts the cylinder shaft, it can drive the welding head 3 fixedly installed at the end of the cylinder shaft of the first cylinder 11 to move towards or away from the protection box, and can automatically control the technical effect of the welding head 3 to return after contacting the welding point.

[0042] Refer to Figure 2 And Figure 3 , the sliding seat 7 includes a connecting portion 71, and an avoidance notch 22 for the connecting portion 71 to extend out is formed on the working platform 2; the clamping driving member is a second cylinder 21, the cylinder body of the second cylinder 21 is fixedly installed at the bottom of the working platform 2, and the cylinder shaft of the second cylinder 21 is fixedly connected to the connecting portion 71.

[0043] When the second cylinder 21 extends or retracts the cylinder shaft, it can drive the sliding seat 7 to slide towards or away from the fixed seat 6, and can drive the protection box and the cover plate 5 to automatically slide below the welding head 3. By connecting the connecting portion 71 extending into the avoidance notch 22 with the cylinder shaft of the second cylinder 21, it can prevent the second cylinder 21 from being exposed on the working platform 2 and improve the simplicity and structural compactness of the second working platform 2.

[0044] Refer to Figure 2 , two guide rails 23 are fixedly installed on the working platform 2, and the two guide rails 23 are located on both sides of the avoidance notch; two sliders 72 are fixedly connected to the bottom of the sliding seat 7, and sliding grooves adapted to the guide rails 23 are respectively formed on the two sliders 72.

[0045] The slider 72 and the guide rail 23 are used in combination to limit the sliding trajectory of the sliding seat 7, reducing the occurrence of misalignment between the solder joints on the protection box and the welding head 3 caused by the sliding deviation of the sliding seat 7, and effectively improving the stability and accuracy of the welding machine.

[0046] In the embodiment of the present application, a limiting convex block is integrally formed on the inner side wall of the sliding groove, and limiting grooves adapted to the limiting convex blocks are formed on both sides of the guide rail 23.

[0047] The limiting convex block and the limiting groove are used in combination to reduce the occurrence of the slider 72 separating from the guide rail 23 during the sliding process of the sliding seat 7, and further ensure the stability of the sliding seat 7.

[0048] Refer to Figure 3 , the positioning structure includes an L-shaped connecting arm 73 fixedly installed on the sliding seat 7, and a bearing plate 74 for bearing the box body 4 is fixedly installed on the connecting arm 73. The bearing plate 74 can support the box body 4, reducing the occurrence of the box body 4 tilting during the sliding process.

[0049] Refer to Figure 2 , two cushion blocks 24 are fixedly installed on the working platform 2, and the two cushion blocks 24 are located on both sides of the two guide rails 23. Both sides of the box body 4 to be welded are slidably installed on the two cushion blocks 24. The cushion blocks 24 can further reduce the occurrence of the box body 4 tilting and affecting the solder joint position.

[0050] The implementation principle of a protection box shell welding device in the embodiment of the present application is as follows: during the welding process of the protection box, the operator only needs to assemble the end covers 5 on both ends on the box body 4 of the protection box and fix the box body 4 on the sliding seat 7 through the positioning structure; then the operator can control the clamping driving member to drive the sliding seat 7 to slide towards the direction close to the fixed seat 6 through the control button on the welding machine until the cover 5 abuts between the sliding seat 7 and the fixed seat 6. At this time, the solder joint between the cover 5 and the fixed seat 6 is exactly below several welding heads 3 on the frame 1, and the welding driving member can drive the welding head 3 to move down to perform the welding process and then drive the welding head 3 to return to the initial position. Through the mutual cooperation and use of the sliding seat 7, the clamping driving member, the welding head 3 and the welding driving member, the technical effects of automatically clamping the protection box and automatically welding can be achieved, and multiple welding heads 3 perform spot welding processes simultaneously, which has higher welding efficiency and accuracy compared to welding multiple solder joints one by one manually with the help of welding equipment.

[0051] Embodiment 2

[0052] In this embodiment, a plurality of thin film pressure sensors are fixedly installed on the side wall of the fixed seat 6 close to the sliding seat 7. The signal output ends of the plurality of thin film pressure sensors are signal-connected to a signal processing module. The plurality of thin film pressure sensors detect the contact pressure between the upper cover plate 5 of the box body 4 and respectively output induction pressure signals. The signal processing module receives the plurality of induction pressure signals and outputs an alarm control signal when the induction pressure is uneven.

[0053] A buzzer is fixedly installed on the frame 1. The signal output end of the signal processing module is signal-connected to the signal input end of the buzzer. The buzzer receives the alarm control signal and emits a warning sound.

[0054] By adopting the above technical solution, when the second cylinder 21 drives the protection box to slide until the cover plate 5 abuts tightly between the sliding seat 7 and the fixed seat 6, the contact pressure between different positions of the cover plate 5 and the fixed seat 6 can be detected by a plurality of thin film pressure sensors.

[0055] It should be noted that the signal processing module uses a single-chip microcomputer. The contact pressure between the cover plate 5 and the fixed seat 6 is compared through the single-chip microcomputer. If the cover plate 5 and the fixed seat 6 are in close contact, the induction pressures measured by the plurality of thin film pressure sensors are similar. If there are foreign objects between the cover plate 5 and the fixed seat 6 or the position of the cover plate 5 is offset, the signal processing module can determine that the positions of the cover plate 5, the box body 4 and the solder joints on the box body 4 are abnormal according to the values of the induction pressures, and prompt the on-site operators to repair and maintain the welding machine through the buzzer.

[0056] The above are all the preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of this application should be covered within the protection scope of this application.

Claims

1. A welding device for the outer shell of a protective box, characterized in that, It includes a frame (1), on which a working platform (2) is fixedly installed. A number of welding driving members are fixedly installed on the frame (1), and welding heads (3) are respectively fixedly installed at the driving ends of the number of welding driving members. The number of welding heads (3) are arranged according to the solder joint positions on the protection box, and the number of welding driving members drive the number of welding heads (3) to move towards or away from the box body (4). A fixed seat (6) is fixedly installed on the working platform (2), a sliding seat (7) is slidably installed on the working platform (2), and a positioning structure for supporting the box body (4) is fixedly installed on the sliding seat (7). A clamping driving member is fixedly installed on the working platform (2), and the driving end of the clamping driving member is fixedly connected to the sliding seat (7), and the clamping driving member drives the sliding seat (7) to move towards or away from the fixed seat (6).

2. The welding device for the protective box shell according to claim 1, characterized in that, The welding driving member includes a first cylinder (11), the cylinder body of the first cylinder (11) is fixedly installed on the frame (1), and the cylinder shaft of the first cylinder (11) is fixedly connected to the welding head (3).

3. The welding device for the outer shell of a protection box according to claim 2, characterized in that, The sliding seat (7) includes a connecting portion (71), and an avoidance notch (22) for the connecting portion (71) to extend out is formed on the working platform (2). The clamping driving member includes a second cylinder (21), the cylinder body of the second cylinder (21) is fixedly installed at the bottom of the working platform (2), and the cylinder shaft of the second cylinder (21) is fixedly connected to the connecting portion (71).

4. The welding device for the protective box shell according to claim 3, characterized in that, Two guide rails (23) are fixedly installed on the working platform (2), and the two guide rails (23) are located on both sides of the avoidance notch (22). Two sliders (72) are fixedly connected to the bottom of the sliding seat (7), and sliding grooves adapted to the guide rails (23) are respectively formed on the two sliders (72).

5. The welding device for the outer shell of a protection box according to claim 4, characterized in that, Limit protrusions are integrally formed on the inner side walls of the sliding grooves, and limit grooves adapted to the limit protrusions are formed on both sides of the guide rails (23).

6. The welding device for the protective box shell according to claim 5, characterized in that, The positioning structure includes a connecting arm (73) fixedly installed on the sliding seat (7), and a bearing plate (74) for bearing the box body (4) is fixedly installed on the connecting arm (73).

7. The welding device for the protective box shell according to claim 6, characterized in that, Two cushion blocks (24) are fixedly installed on the working platform (2), the two cushion blocks (24) are located on both sides of the two guide rails (23), and both sides of the box body (4) to be welded are respectively slidably installed on the two cushion blocks (24).

8. A welding device for the outer shell of a protective box according to claim 1, characterized in that A number of thin film pressure sensors are fixedly installed on the side wall of the fixed seat (6) close to the sliding seat (7). The signal output ends of the number of thin film pressure sensors are signal-connected to a signal processing module. The number of thin film pressure sensors detect the contact pressure with the upper cover plate (5) of the box body (4) and respectively output induction pressure signals. The signal processing module receives the number of induction pressure signals and outputs an alarm control signal when the induction pressures are uneven. A buzzer is fixedly installed on the frame (1), the signal output end of the signal processing module is signal-connected to the signal input end of the buzzer, and the buzzer receives the alarm control signal and emits a warning sound.

Images